norman47

Hey Andrew,

Thanks for the quick response. That makes sense and the added max duration made it work properly now. I appreciate all the help!

Cheers,

Norman

Hey Andrew,

Thank you very much for the response! I did end up computing the error in the way you described, breaking it down step by step.

Your reversal count also works really well. I just have one question - I tried to replace the $period with a daily periodic condition I already made that starts at 6AM, but then the formula does not run and says it is unbound. Is there a reason why trying to replace $period in the formula with an already made periodic condition breaks it?

Edit: In addition, would that formula not also count anytime the signal still goes up? Say it goes from 5 -> 10 -> 15 -> 10. in that sequence, there is only 1 reversal, but I think the formula above would count a total of 3.

Thank you,

Norman

Hello,

I am looking to calculate some metrics on a loop - error, total control output travel, and number of reversals/changes.

Error: 

Total Travel: 

The error needs to sum up the difference between two values over a time period and divide it by the total number of values used in that time period. 

The total travel would sum up all the movements of a number over the day (for eg if a value went from 10->15->20 total travel would be 10).

Number of reversals/changes is as stated how many times a signal changes direction/value.

I noticed that for some signals, the total count can be different depending on how often the value changes. Is there a simple way to pull the value of a number at a specific time stamp? And then to continue on, to do that over a capsule period ie calculating average over a 1 day timeframe?

Thank you,

Norman

Edit 1: I think I solved the total travel. I used a combination of running delta and running sum bounded within a capsule

abs($cmfo.runningDelta()).runningSum($d)